Geography of Brunei
| Location: | Southeastern Asia, bordering the South China Sea and Malaysia |
| Geographic coordinates: | 4 30 N, 114 40 E |
| Map references: | Southeast Asia |
| Area: | total: 5,770 sq km land: 5,270 sq km water: 500 sq km |
| Area - comparative: | slightly smaller than Delaware |
| Land boundaries: | total: 381 km border countries: Malaysia 381 km |
| Coastline: | 161 km |
| Maritime claims: | territorial sea: 12 nm exclusive economic zone: 200 nm or to median line |
| Climate: | tropical; hot, humid, rainy |
| Terrain: | flat coastal plain rises to mountains in east; hilly lowland in west |
| Elevation extremes: | lowest point: South China Sea 0 m highest point: Bukit Pagon 1,850 m |
| Natural resources: | petroleum, natural gas, timber |
| Land use: | arable land: 2.08% permanent crops: 0.87% other: 97.05% (2005) |
| Irrigated land: | 10 sq km (2003) |
| Natural hazards: | typhoons, earthquakes, and severe flooding are rare |
| Environment - current issues: | seasonal smoke/haze resulting from forest fires in Indonesia |
| Environment - international agreements: | party to: Biodiversity, Desertification, Endangered Species, Environmental Modification, Hazardous Wastes, Law of the Sea, Ozone Layer Protection, Ship Pollution signed, but not ratified: none of the selected agreements |
| Geography - note: | close to vital sea lanes through South China Sea linking Indian and Pacific Oceans; two parts physically separated by Malaysia; almost an enclave within Malaysia |